<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <title>新增的全局属性</title>
    <style>
        div {
            width: 600px;
            height: 200px;
            border: 1px solid black;
            font-size: 20px;
            margin-bottom: 10px;
        }

        .box1 {
            background-color: skyblue;
        }

        .box2 {
            background-color: green;
        }
    </style>
</head>
<body>
<!--spellcheck="true"-拼写检查(错误单词底部红色波浪线)
    contenteditable="true"-文字可编辑-->
<div class="box1" spellcheck="true" contenteditable="true">Lorem ipsum dolor sit amet.</div>

<!--draggable="true"-可拖动
    hidden-隐藏-->
<div class="box2" draggable="true" data-a="1" hidden data-b="2" data-c="3">Lorem ipsum dolor sit amet.</div>
<h1>hello</h1>

</body>
</html>